//
//  CZMainTabbar.swift
//  CZWeibo007
//
//  Created by Vize on 15/12/25.
//  Copyright © 2015年 Vize. All rights reserved.
//

import UIKit

class CZMainTabbar: UITabBar {

 
    private let count = 5
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        let width = self.bounds.width / CGFloat(count)
        
        let frame = CGRect(x: 0, y: 0, width: width, height: self.bounds.height)
        
        var index = 0
        
        for view in self.subviews {
            
            
            
            if view is UIControl && !(view is UIButton) {
                
                
                
                view.frame = CGRectOffset(frame, CGFloat(index)*width, 0)
                
                index += index == 1 ? 2 : 1
            
            }
        }
        
        composeButton.frame = CGRectOffset(frame, 2.0*width, 0)
    }
    
    // Mark: - 懒加载
    lazy var composeButton: UIButton = {
       
        let button = UIButton()
        
        button.setImage(UIImage(named: "tabbar_compose_icon_add"), forState: UIControlState.Normal)
        button.setImage(UIImage(named: "tabbar_compose_icon_add_highlighted"), forState: UIControlState.Highlighted)
        
        button.setBackgroundImage(UIImage(named: "tabbar_compose_button"), forState: UIControlState.Normal)
        button.setBackgroundImage(UIImage(named: "tabbar_compose_button_highlighted"), forState: UIControlState.Highlighted)
        
        self.addSubview(button)
        
        return button
        
    }()

}




